Multifunction & Appliance Testers

The Calibrated Megger BM21 5kV Insulation Resistance Tester is an essential tool for professionals seeking precise and reliable insulation testing capabilities. Designed for portability and ease of use, this refurbished device delivers high-performance results, making it ideal for both on-site and laboratory applications. Its 5kV testing capacity ensures accurate measurement of insulation resistance, helping identify potential faults and maintain electrical safety standards. Equipped with calibrated leads, this tester is ready to meet rigorous testing needs while ensuring compliance with industry requirements.